EP1165175A4 - Ballonkatheter mit einerspitze für grossen durchfluss - Google Patents
Ballonkatheter mit einerspitze für grossen durchflussInfo
- Publication number
- EP1165175A4 EP1165175A4 EP00916087A EP00916087A EP1165175A4 EP 1165175 A4 EP1165175 A4 EP 1165175A4 EP 00916087 A EP00916087 A EP 00916087A EP 00916087 A EP00916087 A EP 00916087A EP 1165175 A4 EP1165175 A4 EP 1165175A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- balloon
- tip
- distal end
- catheter
- proximal end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1093—Balloon catheters with special features or adapted for special applications having particular tip characteristics
Definitions
- the present invention generally relates to intravascular balloon catheters.
- the present invention is particularly suited, but not limited, for application to intravascular stent delivery catheters.
- Angioplasty procedures have gained wide acceptance in recent years as an effective and safe method for treating various types of vascular disease, particularly vascular restrictions or stenoses that inhibit the flow of blood through arterial vasculature.
- Angioplasty procedures may be performed in virtually any part of the vascular system including the peripheral vasculature, coronary vasculature, and cerebral vasculature.
- the most common form of angioplasty utilizes a dilatation catheter that includes an inflatable balloon at its distal end. The catheter is percutaneously inserted into the patient's vascular system and is navigated through the vasculature to the treatment site.
- the treating physician utilizes an x-ray fluoroscope to guide the dilatation catheter through the vasculature and position the inflatable balloon across the restriction. Once in position, the balloon is inflated utilizing a pressure source to cause the balloon to engage and dilate the restriction, thus increasing its inside diameter and reestablishing acceptable blood flow therethrough.
- a stent typically comprises a tubular structure that mechanically engages the interior wall of the vessel to maintain the inside diameter of the vessel after dilatation. The stent reduces the tendency of the vascular wall to elastically recoil after dilatation. Although some smooth muscle cell proliferation occurs around the stent to essentially embed the stent in the vascular wall, the gross dilated diameter is maintained. In this manner, the stent maintains the patency of the dilated restriction thereby maintaining adequate blood flow therethrough.
- a number of stent delivery systems have been developed, typically comprising a balloon catheter having the stent mounted on the balloon. Such a deliver system may be utilized to deliver and deploy a balloon-expandable stent or a self-expanding stent.
- a self-expanding stent expands from its initial profile delivery diameter to its final deployed diameter by virtue of elastic forces contained in the stent structure.
- the balloon is then used to tack up or firmly engage the stent against the vessel wall.
- a balloon-expandable stent by contrast, expands from its initial profile delivery diameter to its final deployed diameter by virtue of forces applied by the expandable balloon.
- the stent delivery catheter is positioned such that the balloon and the stent loaded thereon extend across the dilated restriction.
- the stent is deployed by either pulling back a retaining sleeve as with a self-expanding stent or by inflating the balloon as with a balloon-expandable stent. In this manner, the stent is positioned across the dilated restriction to maintain adequate blood flow therethrough.
- Balloon-expandable stents have a tendency to migrate distally during deployment.
- the tendency of the balloon-expandable stent to migrate distally during deployment is due in part to the non-uniform inflation of the balloon.
- the proximal end of the balloon begins to expand first.
- a longitudinal force is applied to the stent in addition to a radial force. If the longitudinal force exceeds the frictional force between the stent and the balloon surface, the stent will migrate distally. This may result in the stent being deployed in an undesirable location such as a position distal to the dilated restriction.
- the present invention overcomes these disadvantages by providing an intravascular balloon catheter that inflates the balloon more effectively, which is particularly useful for stent delivery.
- the balloon catheter of the present invention may be configured to inflate the balloon uniformly such that a stent loaded on the balloon will not have a tendency to migrate during deployment.
- the balloon catheter of the present invention may be configured to initially inflate the distal end of the balloon to prevent distal migration.
- One embodiment of the present invention provides an intravascular balloon catheter that includes a catheter shaft and a balloon, wherein the proximal end of the balloon is connected to the distal end of the shaft.
- a tip is disposed in the interior of the balloon with the proximal end of the tip extending from the distal end of the catheter shaft and the distal end of the tip connected to the distal end of the balloon.
- the tip includes a fluid path to facilitate the passage of inflation fluid from the inflation lumen to the interior of the balloon, and the tip may further include a guide wire lumen extending therethrough.
- the fluid path may be configured to inflate the balloon uniformly or to initially inflate the distal end of the balloon.
- the fluid path may be defined by channel(s) in the tip, groove(s) in the tip, or by utilizing a tip having a non-circular profile.
- Figure 1 is a partially cross-sectioned side view of a distal portion of a prior art stent delivery catheter for delivering a balloon-expandable stent;
- Figure 2 A is a cross-sectional view taken along line 2-2 of Figure 1;
- Figure 2B is an alternative cross-sectional view taken along line 2-2 in Figure l;
- Figure 3 A is a cross-sectional view taken along line 3-3 in Figure 1, showing the balloon in an inflated state and the stent in an expanded deployed state;
- Figure 3B is a cross-sectional view taken along line 3-3 in Figure 1 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 4 is a partially cross-sectioned side view of a distal portion of a balloon catheter in accordance with one embodiment of the present invention showing the balloon in an inflated state and the stent in an expanded deployed state;
- Figure 5A is a cross-sectional view taken along line 5-5 in Figure 4 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 5B is an alternative cross-sectional view taken along line 5-5 in Figure 4 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state
- Figure 6 is a partially cross-sectioned side view of a distal portion of a balloon catheter in accordance with another embodiment of the present invention showing the balloon in an inflated state and the stent in an expanded deployed state;
- Figure 7A is a cross-sectional view taken along line 7-7 in Figure 6 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 7B is an alternative cross-sectional view taken along line 7-7 in Figure 6 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 8 is a partially cross-sectioned side view of a distal portion of a balloon catheter in accordance with yet another embodiment of the present invention showing the balloon in an inflated state and the stent in an expanded deployed state;
- Figure 9A is a cross-sectional view taken along line 9-9 in Figure 8 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 9B is an alternative cross-sectional view taken along line 9-9 in Figure 8 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state;
- Figure 9C is another alternative cross-sectional view taken along line 9-9 in Figure 8 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state
- Figure 9D is yet another alternative cross-sectional view taken along line 9-9 in Figure 8 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state
- Figure 10 is a partially cross-sectioned side view of a distal portion of a balloon catheter in accordance with yet another embodiment of the present invention showing the balloon in an inflated state and the stent in an expanded deployed state;
- Figure 11 is a cross-sectional view taken along line 11-11 in Figure 10 showing the balloon in a collapsed and folded state and the stent in a collapsed delivery state.
- FIG. 1 illustrates a partially cross-sectioned side view of a distal portion of a conventional over-the-wire (OTW) type balloon catheter 10.
- Balloon catheter 10 may be may be advanced over a conventional guide wire 1 1 and used as a stent delivery catheter to deliver and deploy a stent 12 (shown in phantom cross-section) mounted on the balloon 14 (shown in cross-section).
- Balloon 14 includes a main body portion 16, a proximal cone 18, a proximal waist 20, a distal cone 22, and a distal waist 24.
- the balloon 14 is mounted to the distal portion of the catheter shaft 26 and the distal tip tube 28.
- the proximal waist 20 of the balloon 14 is connected to the distal end of the shaft 26, and the distal waist 24 of the balloon 14 is connected to the distal end of the tip tube 28.
- the shaft 26 may be a coaxial type shaft 26A or a multi-lumen type shaft 26B.
- a coaxial type shaft 26A is illustrated in Figure 2A
- a multi-lumen type shaft 26B is illustrated in Figure 2B.
- Figures 2 A and 2B illustrate cross-sectional views taken along line 2-2 in Figure 1.
- Coaxial type shaft 26A includes an outer tube 29 and an inner tube 30.
- the inner tube 30 defines a guide wire lumen 32 through which the guide wire 11 extends.
- the annular lumen 34 defined between the inner tube 30 and the outer tube 29 is in fluid communication with the interior of the balloon 14 and functions as an inflation/deflation lumen.
- pressurized fluid may be delivered from the proximal end (not shown) of the catheter 10 to the balloon 14 by way of the inflation lumen 34 to cause selective inflation and deflation of the balloon 14.
- the multi-lumen type shaft 26B may be formed by a single extrusion defining a guide wire lumen 36 and a pair of inflation lumens 38.
- the guide wire lumen 36 accommodates the guide wire 11 therein, and the inflation lumens 38 facilitate inflation and deflation of the balloon 14.
- the balloon catheter 10 includes a distal tip tube 28 traversing the interior of the balloon 14, as illustrated in Figures 1, 3 A, and 3B.
- Figure 3 A is a cross-sectional view taken along line 3-3 in Figure 1, particularly illustrating the balloon 14 in the inflated state and the stent 12 (shown in phantom) in a deployed state.
- Figure 3B is a cross-sectional view taken along line 3-3 in Figure 1, particularly showing the balloon 14 in a deflated state and the stent 12 (shown in phantom) in a delivery state.
- a relatively small gap 39 is defined between the tip tube 28 and the deflated balloon 14.
- the relatively small gap 39 imposes a significant resistance to the flow of inflation fluid to the distal end of the balloon 14. This causes the balloon 14 to initially inflate at the proximal end thereof.
- the gap 39 is gradually enlarged from the proximal end to the distal end of the balloon 14.
- the relatively small gap 39 prevents the uniform inflation of the balloon 14 and causes the balloon 14 to form a wedge shape during inflation.
- the wedge shape that is formed as pressurized fluid enters the balloon 14 causes the balloon to exert a longitudinal force and a radial force against the stent 12.
- the radial force is desirable for deploying the stent 12, but the longitudinal force is undesirable.
- the stent 12 will migrate distally. This may result in the stent 12 being deployed in an undesirable location such as a position distal to the dilated restriction.
- All embodiments of the present invention overcome this disadvantage by providing a fluid path from the proximal end of the balloon 14 to the distal end of the balloon 14, even when the balloon is in a deflated and folded state.
- the present invention allows the balloon 14 to be inflated uniformly such that a stent 12 loaded thereon will not have a tendency to migrate distally during deployment.
- Figures 4-11 illustrate various embodiments of the present invention that provide such a fluid path. For purposes of clarity, only the distal portion of each balloon catheter of the present invention is illustrated. Those skilled in the art will recognize that many variations may be adopted for the proximal portion of the catheters of the present invention without departing from the scope and spirit of the invention.
- the present invention is applicable to virtually all balloon catheters, but is particularly suitable for use in an OTW stent delivery catheter, the guide wire 11 and the stent 12 are shown in phantom in Figures 4-11.
- the present invention may be implemented into any balloon catheter having a member traversing the interior of the balloon without departing from the scope or spirit of the present invention.
- the present invention may be useful for other applications requiring uniform inflation of the balloon.
- Balloon catheter 40 includes a catheter shaft 42 which may be a coaxial type shaft or a multi-lumen type shaft as described previously.
- a tip tube 44 extends from the distal end of the shaft 42 and may be connected thereto.
- the tip tube 44 will typically be connected to the distal end of the shaft 42.
- the shaft 42 is a coaxial type shaft comprising separate inner and outer tubes, the tip tube 44 will typically be connected to the inner tube.
- the proximal end of the balloon 14 is connected to the distal end of the shaft 42, and the distal end of the balloon 14 is connected to the distal end of the tip tube 44.
- a stent 12 is mounted on the balloon 14 in the conventional manner as by crimping.
- tip tube 44 includes a guide wire lumen extension 50 and an inflation lumen extension 52.
- tip tube 44A utilizes one inflation lumen extension 52.
- a plurality of inflation lumen extensions 52 may be utilized in tip tube 44B, as illustrated in Figure 5B. If a plurality of inflation lumen extensions 52 are utilized, a corresponding number of ports may be utilized.
- the inflation lumen extension(s) 52 are in fluid communication with the inflation lumen(s) 34, 38 of the shaft 42.
- Fluid communication may be established by a wide variety of means such as by providing connection tubes (not shown), by aligning the inflation lumen extension(s) 52 with the distal end of the inflation lumen(s) 34, 38, or by providing a transition tube 46 (shown in phantom). For purposes of illustration only, the embodiments of Figures 4 and 6 have been described with reference to transition tube 46. However, fluid communication between the inflation lumen extension(s) 52 and the inflation lumen(s) 34, 38 of the shaft 42 is preferably provided by alignment between the respective lumens.
- transition tube 46 is connected to the distal end of the shaft 42 and the proximal end of the tip tube 44 to define a fluid connection therebetween.
- a proximal end of the transition tube 46 may be sealingly connected between the distal end of the shaft 42 and the proximal waist 20 of the balloon 14.
- the distal end of the transition tube 46 may be sealingly connected to the exterior of the tip tube 44 distal of the inflation fluid entry port 48.
- the transition tube 46 provides a fluid path from the inflation lumen(s) 34, 38 of the shaft 42 to the inflation lumen extension(s) 52 of the tip tube 44.
- transition tube 46 is merely an example of a means for providing such a fluid path.
- Inflation lumen extension(s) 52 extend from the entry port 48, past the proximal exit port 56, to the distal exit port 54.
- Distal exit port 54 is slightly larger that proximal exit port 56 to compensate for the pressure drop along the length of the inflation lumen extension(s) 52 extending through the tip tube 44.
- an equal amount of inflation fluid exits through each exit port 54,56 to uniformly inflate the balloon 14.
- Inflation lumen extension 52 in combination with entry port 48 and exit ports 54, 56 defines a fluid path that enables inflation fluid to flow to the distal end of the balloon as well as the proximal end of the balloon 14.
- the balloon 14 may be inflated uniformly, thereby expanding the stent 12 in a uniform manner. Expanding the stent 12 in a uniform manner reduces the tendency of the stent to migrate distally.
- balloon catheter 40 of the present invention permits the precise delivery and deployment of stent 12.
- Figure 6 illustrates a distal portion of balloon catheter 60 in accordance with another embodiment of the present invention. Except as described hereinafter, balloon catheter 60 is substantially the same as balloon catheter 40.
- Balloon catheter 60 includes a catheter shaft 42 and a distal tip tube 64.
- the proximal end of the distal tip tube 64 extends from and may be connected to the distal end of shaft 42.
- the distal end of the tip tube 64 is connected to the distal end of the balloon 14.
- Balloon 14 is connected at its proximal end to the distal end of the shaft 42.
- Tip tube 64 includes a proximal entry port 48 and a distal exit port 54.
- tip tube 64 does not include a proximal exit port. Accordingly, pressurized inflation fluid exiting the distal end of the shaft 42 enters the proximal entry port 48 and exits the distal exit port 54. Inflation lumen extension 52, in combination with entry port 48 and exit port 54, defines a fluid path that enables inflation fluid to flow to the distal end of the balloon. With this arrangement, the distal end of the balloon inflates prior to the proximal end of the balloon 14. Inflating the distal end of the balloon 14 prior to the proximal end of the balloon 14 prevents the stent 12 from sliding off the distal end of the catheter 60. Accordingly, the stent 12 is held on the catheter 60 until the balloon 14 is deflated. This allows the stent 12 to be repositioned or retrieved prior to full and complete expansion.
- Figures 7A and 7B illustrate cross-sectional views taken along line 7-7 in Figure 6.
- Figure 7 A illustrates a first embodiment of tip tube 64 A having a single inflation lumen extension 52.
- Figure 7B illustrates a second embodiment of tip tube 64B having a plurality of inflation lumen extensions 52. If a plurality of inflation lumen extensions 52 are utilized, a corresponding number of entry ports 48 and exits ports 54 may be used.
- Balloon catheter 80 includes a distal tip tube 84 extending from and optionally connected to the distal end of the catheter shaft 42.
- Balloon 14 has a proximal end connected to the distal end of the shaft 42 and a distal end connected to the distal end of the tip tube 84.
- a transition tube is not necessary and tip tube 84 has a non-circular profile as best seen in Figures 9A-9D.
- Figures 9A-9D illustrate various alternate embodiments of the tip tube 84 taken in cross-section along line 9-9 in Figure 8.
- Each of the non-circular profiles of the tip tube 84 create a pathway 86 between the exterior surface of the tip tube 84 and the interior surface of the folded balloon 14.
- the balloon 14 and the stent 12 assume a generally circular profile.
- any non-circular profile of the tip tube 84 will result in a pathway being defined along the non-circular portion of the tip tube 84 under the collapsed balloon 14.
- the pathway 86 may extend along the entire length of the tip tube 84 or a portion thereof, depending on the desired position of the distal end of the pathway 86.
- Figure 9A illustrates a first embodiment of tip tube 84A having an oval outside profile and a corresponding oval inside profile to accommodate the guide wire 11.
- the oval profile of the tip tube 84A results in a pair of crescent-shaped lumens 86 through which inflation fluid may pass.
- Lumens 86 define a pathway for the flow of inflation fluid from the proximal end of the balloon 14 to the distal end of the balloon 14.
- Figure 9B illustrates an alternative tip tube 84B having an oval outside profile and a circular inside profile to accommodate the guide wire 11. Having a circular inside profile allows the wall of the tip tube 84B to be thicker along the apexes of the oval. The thicker wall along the apexes allows the tip tube 84B to better retain its oval profile.
- the shape or profile of the guide wire lumen extension may be modified as desired without departing from the spirit of the invention.
- tip tube 84C has a generally triangular outside profile and a circular inside profile to accommodate the guide wire 11.
- the triangular profile of the tip tube 84C defines three longitudinal lumens 88 which define a pathway for the flow of inflation fluid from the proximal end of the balloon 14 to the distal end of the balloon 14.
- Figure 9D illustrates tip tube 84D having a generally square outside profile and a generally circular inside profile.
- the square outside profile of the tip tube 84D defines four crescent-shaped longitudinal lumens 90 extending along the length of the tip tube 84D to permit the passage of inflation fluid from the proximal end of the balloon 14 to the distal end of the balloon 14.
- Balloon catheter 100 is substantially the same as balloon catheter 40 illustrated in Figure 4, except as described hereinafter.
- Balloon catheter 100 includes a tip tube 104 extending from and optionally connected to the distal end of the catheter shaft 42.
- the proximal end of the balloon 14 is connected to the distal end of the catheter shaft 42, and the distal end of the balloon 14 is connected to the distal end of the tip tube 104.
- catheter 100 does not require a transition tube between the distal end of the catheter shaft 42 and the proximal end of the tip tube 104.
- Tip tube 104 includes a plurality of longitudinal grooves 106 extending along the length thereof.
- the grooves 106 extend from the distal end of the catheter shaft 42 to the distal end of the balloon 14, or any point proximal thereof.
- the extent to which the grooves 106 extend from the distal end of the catheter shaft 42 corresponds to the portion of the balloon 14 that inflates uniformly.
- any number of grooves may by utilized depending on the desired flow characteristics.
- longitudinal, spiral, or other non-linear grooves may be used.
- a variety of groove shapes may be used including U-shaped, square-shaped, rectangular-shaped, or v-shaped grooves 106.
- the longitudinal grooves 106 may be formed by extruding the tip tube 104 through an extrusion die having a similar profile, or by pulling an extruded tube through a reforming die having a similar profile.
- a wide variety of grooves 106 dimensions may be used depending on the desired flow characteristics. For example, twelve or six square-shaped grooves having a depth of about 0.0045 or 0.008 inches respectively and a width of approximately 10° of the circumference may be used. As best seen in Figure 11, which is a cross-sectional view taken along line 11-
- the channels or grooves 106 under the collapsed balloon define longitudinal pathways through which inflation fluid may pass. Grooves 106 permit the passage of inflation fluid from the proximal end of the balloon 14 to the distal end of the balloon 14, even if the balloon is folded in intimate contact with the tube 104.
- Each catheter 40, 60, 80, and 100 may be configured to inflate the balloon 14 uniformly such that a stent 12 loaded thereon will not have a tendency to migrate during deployment.
- the balloon catheters 40, 60, 80, and 100 of the present invention may be configured to initially inflate the distal end of the balloon 14 to prevent distal migration.
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Child & Adolescent Psychology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12299999P | 1999-03-05 | 1999-03-05 | |
US122999P | 1999-03-05 | ||
US09/517,247 US6514228B1 (en) | 1999-03-05 | 2000-03-02 | Balloon catheter having high flow tip |
US517247 | 2000-03-02 | ||
PCT/US2000/005732 WO2000051674A1 (en) | 1999-03-05 | 2000-03-03 | Balloon catheter having high flow tip |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1165175A1 EP1165175A1 (de) | 2002-01-02 |
EP1165175A4 true EP1165175A4 (de) | 2006-10-04 |
EP1165175B1 EP1165175B1 (de) | 2009-01-14 |
Family
ID=26821101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00916087A Expired - Lifetime EP1165175B1 (de) | 1999-03-05 | 2000-03-03 | Ballonkatheter mit einerspitze für grossen durchfluss |
Country Status (6)
Country | Link |
---|---|
US (1) | US6514228B1 (de) |
EP (1) | EP1165175B1 (de) |
AT (1) | ATE420692T1 (de) |
DE (1) | DE60041396D1 (de) |
ES (1) | ES2321473T3 (de) |
WO (1) | WO2000051674A1 (de) |
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DE10215462A1 (de) * | 2002-03-28 | 2003-10-16 | Biotronik Mess & Therapieg | Ballonkatheter |
US20040236366A1 (en) * | 2002-05-16 | 2004-11-25 | Kennedy Kenneth C. | Non-buckling balloon catheter |
US20030236495A1 (en) * | 2002-05-16 | 2003-12-25 | Kennedy Kenneth C. | Non-buckling balloon catheter |
US7883500B2 (en) * | 2003-03-26 | 2011-02-08 | G&L Consulting, Llc | Method and system to treat and prevent myocardial infarct expansion |
US20050154439A1 (en) | 2004-01-08 | 2005-07-14 | Gunderson Richard C. | Medical device delivery systems |
US20050234426A1 (en) * | 2004-04-14 | 2005-10-20 | Scimed Life Systems, Inc. | Catheter distal tip design and method of making |
US8070718B2 (en) * | 2004-12-13 | 2011-12-06 | Boston Scientific Scimed, Inc. | Medical devices formed with a sacrificial structure and processes of forming the same |
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US20090306769A1 (en) * | 2008-06-06 | 2009-12-10 | Boston Scientific Scimed, Inc. | Medical balloon made with hybrid polymer-ceramic material and method of making and using the same |
EP2147662A1 (de) * | 2008-07-23 | 2010-01-27 | Abbott Laboratories Vascular Enterprises Limited | Stenteinführungssystem |
US8652202B2 (en) | 2008-08-22 | 2014-02-18 | Edwards Lifesciences Corporation | Prosthetic heart valve and delivery apparatus |
EP2201926B1 (de) | 2008-12-24 | 2011-09-14 | Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House | Schweißhemmende Zusammensetzungen und Produkte |
JP5470406B2 (ja) * | 2009-12-28 | 2014-04-16 | テルモ株式会社 | バルーンカテーテル |
JP2012029994A (ja) * | 2010-08-02 | 2012-02-16 | Kaneka Corp | ステントデリバリーシステム |
GB2485762B (en) | 2010-11-12 | 2012-12-05 | Cook Medical Technologies Llc | Introducer assembly and dilator tip therefor |
US8784468B2 (en) | 2010-11-17 | 2014-07-22 | Boston Scientific Scimed, Inc. | Stent delivery systems and locking members for use with stent delivery systems |
EP2640324B1 (de) | 2010-11-17 | 2015-02-18 | Boston Scientific Scimed, Inc. | Stentträgersystem |
EP2640320B1 (de) | 2010-11-17 | 2018-04-18 | Boston Scientific Scimed, Inc. | Stentträgersystem |
FR2970864B1 (fr) * | 2011-02-01 | 2015-01-02 | Stentys | Systeme de delivrance d'un stent |
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- 2000-03-02 US US09/517,247 patent/US6514228B1/en not_active Expired - Lifetime
- 2000-03-03 AT AT00916087T patent/ATE420692T1/de not_active IP Right Cessation
- 2000-03-03 DE DE60041396T patent/DE60041396D1/de not_active Expired - Lifetime
- 2000-03-03 WO PCT/US2000/005732 patent/WO2000051674A1/en active Application Filing
- 2000-03-03 ES ES00916087T patent/ES2321473T3/es not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
DE60041396D1 (de) | 2009-03-05 |
EP1165175A1 (de) | 2002-01-02 |
ES2321473T3 (es) | 2009-06-08 |
US6514228B1 (en) | 2003-02-04 |
EP1165175B1 (de) | 2009-01-14 |
ATE420692T1 (de) | 2009-01-15 |
WO2000051674A1 (en) | 2000-09-08 |
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